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Since their discovery, multi-walled carbon nanotubes (MWCNTs) have received tremendous attention due to their unique electrical, optical, physical, chemical, and mechanical properties. Remarkable advances have been made in the synthesis, purification, structural characterization, functionalization, and application of MWCNTs. Their particular characteristics make them well suited for a plethora of applications in a number of fields, namely nanoelectronics, nanofluids, energy management, (electro)catalysis, materials science, construction of (bio)sensors based on different detection schemes, multifunctional nanoprobes for biomedical imaging, and sorbents for sample preparation or removal of contaminants from wastewater. They are also useful as anti-bacterial agents, drug delivery nanocarriers, etc. The current relevant application areas are countless. This Special Issue presents original research and review articles that address advances, trends, challenges, and future perspectives regarding synthetic routes, structural features, properties, behaviors, and industrial or scientific applications of MWCNTs in established and emerging areas.

graphene oxide --- n/a --- Multi-Walled Carbon Nanotube (MWCNT) --- elution --- gold nanoparticles --- MHD --- heck reaction --- drug delivery --- carbon-nanotubes --- water based nanofluid --- zeolitic imidazolate framework --- Ionic liquid --- electroanalysis --- curved stretching sheet --- multiwalled carbon nanotubes --- lubricating oil additives --- hydrophobic drugs --- agricultural irrigation water --- polarity --- cerium oxide --- adsorption --- electrical properties --- non-linear thermal radiation --- electrochemical properties --- nanomaterials --- radar absorbing materials --- chloride diffusion --- RAFT polymerization --- synthesis methods --- gold(III) --- mechanical properties --- dissolution rate --- carbon materials --- electrochemical sensors --- magnetic solid phase extraction --- silicone rubber --- Single-Walled Carbon Nanotube (SWCNT) --- Pd-CNT nanohybrids --- kinetics --- nonylphenol --- boundary layer --- Casson model --- sensing applications --- organochlorine pesticides --- composites --- multi-wall carbon nanotube (MWCNT) --- polymeric composites --- carbon nanotubes --- structural --- azide-alkyne click chemistry --- functionalized carbon nanotubes --- heat generation --- EMI shielding --- gold(I) --- cement mortars --- semi-homogeneous catalysis --- functionalized CNTs --- nanomedicine --- multi-walled carbon nanotubes --- numerical solution --- PMMA --- HAM --- complex permittivity --- thermal radiation --- stretching sheet

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Thin film processes are significantly incorporated in manufacturing display panels, secondary batteries, fuel/solar cells, catalytic films, membranes, adhesives, and other commodity films. This Special Issue on “Thin Film Processes” of Processes listed recent progress on thin-film processes, covering theoretical considerations, experimental observations, and computational techniques. Articles in this Issue consider comprehensive studies on thin film processes and related materials.

History of engineering & technology --- electrode --- layer-by-layer --- liquid crystal device --- thin film --- 6082-T6 aluminum alloy --- Plasma Electrolytic Oxidation (PEO) --- Plasma Spray Ceramic (PSC) --- Hard Anodizing (HA) --- anodic polarization --- corrosion resistance --- lemongrass --- Cymbopogon citratus --- convection drying --- mathematical modeling --- moisture diffusivity --- activation energy --- Jeffrey, Maxwell, Oldroyed-B fluids --- unsteady stretching surface --- magnetic field --- homotropy analysis method (HAM) --- entropy generation --- second-grade fluid --- nanofluid --- liquid films --- time depending stretching surface --- HAM --- Al(OH)3 --- BaSO4 --- filler --- ultrafine powder coatings --- Sisko fluid --- unsteady stretching sheet --- thin films --- MHD --- HAM and numerical method --- coatings industry --- digitalization --- development process --- technical enabler --- process analysis --- process simulation --- hydrocarbon fuel --- coke --- anti-coking coating --- growth characteristics --- n/a

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The Special Issue Modeling and Simulation in Engineering, belonging to the section Engineering Mathematics of the Journal Mathematics, publishes original research papers dealing with advanced simulation and modeling techniques. The present book, “Modeling and Simulation in Engineering I, 2022”, contains 14 papers accepted after peer review by recognized specialists in the field. The papers address different topics occurring in engineering, such as ferrofluid transport in magnetic fields, non-fractal signal analysis, fractional derivatives, applications of swarm algorithms and evolutionary algorithms (genetic algorithms), inverse methods for inverse problems, numerical analysis of heat and mass transfer, numerical solutions for fractional differential equations, Kriging modelling, theory of the modelling methodology, and artificial neural networks for fault diagnosis in electric circuits. It is hoped that the papers selected for this issue will attract a significant audience in the scientific community and will further stimulate research involving modelling and simulation in mathematical physics and in engineering.

Research & information: general --- Mathematics & science --- category theory --- mathematical modelling --- abstraction --- formal approaches --- functors --- surrogate model --- Kriging --- high-dimensional problems --- principal component dimension reduction --- trochoidal milling --- variable feed --- spiral groove --- CAM --- Levy walks --- anomalous diffusion --- fractional material derivative --- combustion process --- local estimate --- Monte Carlo method --- modeling --- analog circuits --- fault diagnosis --- neural networks --- carbon nanotubes --- heat transfer --- nanofluid --- rotating --- stretching/shrinking --- adjoint --- gradient-descent --- junctions --- transport equation --- unsteady flow --- rotation --- hybrid nanofluid --- stretching sheet --- radiation --- inverse modeling --- calcium leaching --- grout curtain --- hydraulic conductivity --- optimization --- fuzzy model --- response surface methodology --- diesel engine performance --- biodiesel --- anomalous diffusion equation --- continuous time random walk --- roughness scaling extraction --- fractal dimension --- accelerated algorithm --- Weierstrass–Mandelbrot function --- milling vibration signal --- spot volatility --- change of frequency --- roughness of volatility --- hurst exponent --- Chinese A-share market --- ferrofluidslip effect --- Stefan blowing --- thermodiffusion --- n/a --- Weierstrass-Mandelbrot function

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Fluid interfaces are promising candidates for confining different types of materials, e.g., polymers, surfactants, colloids, and even small molecules, to be used in designing new functional materials with reduced dimensionality. The development of such materials requires a deepening of the physicochemical bases underlying the formation of layers at fluid interfaces as well as on the characterization of their structures and properties. This is of particular importance because the constraints associated with the assembly of materials at the interface lead to the emergence of equilibrium and features of dynamics in the interfacial systems, which are far removed from those conventionally found in traditional materials. This Special Issue is devoted to studies on the fundamental and applied aspects of fluid interfaces, and attempts to provide a comprehensive perspective on the current status of the research field.

Technology: general issues --- polyelectrolyte --- surfactants --- kinetically trapped aggregates --- interfaces --- surface tension --- interfacial dilational rheology --- adsorption --- nonlinear stretching sheet --- viscoelastic fluid --- MHD --- viscous dissipation --- underwater vehicle --- sea-water pump --- vibration isolation --- flexible pipes --- cationic surfactants --- Gemini 12-2-12 surfactant --- dynamic surface tension --- maximum bubble pressure --- surface potential --- nanofluid --- stretching surface --- rotating fluid --- Homotopy Analysis Method (HAM) --- porous media --- magnetohydrodynamics --- hybrid nanofluid --- stretching cylinder --- flow characteristics --- nanoparticles --- convective heat transfer --- interfacial tensions --- dilational rheology --- biocompatible emulsions --- partition coefficient --- Tween 80 --- saponin --- citronellol glucoside --- MCT oil --- Miglyol 812N --- lipids --- pollutants --- Langmuir monolayers --- particles --- rheology --- neutron reflectometry --- ellipsometry --- DPPC --- lipid monolayers --- air/water interface --- entropy --- second grade nanofluid --- Cattaneo-Christov heat flux model --- nonlinear thermal radiation --- Joule heating --- fluid displacement --- inverse Saffman–Taylor instability --- partially miscible --- Korteweg force --- gyrotactic microorganisms --- micropolar magnetohydrodynamics (MHD) --- Maxwell nanofluid --- single wall carbon nanotubes (SWCNTs) and multi wall carbon nanotubes (MWCNTs) --- thermal radiation --- chemical reaction --- mixed convection --- permeability --- confinement --- dynamics --- materials --- applications